Why Does My Cat Scratch the Sides of the Litter Box?

Cats scratching the sides of their litter box is a common behavior that puzzles many owners. This action often stems from natural instincts but can signal dissatisfaction with the litter box setup. Understanding the reasons helps create a better environment for your feline friend.

It’s Normal Cat Behavior

Scratching in the litter box is an innate feline instinct rooted in wild ancestry. Cats dig to bury their waste, hiding it from predators and avoiding territorial challenges from other cats. Even domesticated cats retain this behavior to mask scents, as their paws contain scent glands that reinforce territory marking during digging.

When scratching the sides, cats often reach the tray’s edges to gather more litter for burying. This ensures thorough coverage of urine or feces, mimicking natural survival tactics. Kittens, adults, and wild cats all exhibit this, making it a healthy sign of normalcy unless excessive.

Reasons Your Cat Might Scratch the Sides of the Litter Box

While occasional side-scratching is typical, frequent or vigorous actions may indicate issues. Common triggers include:

• Inadequate litter depth: Cats need sufficient litter (at least 2-3 inches) to dig effectively. Shallow layers force them to scrape sides for more material.
• Box size mismatch: The litter box should be 1.5 times the cat’s length. Too-small boxes cramp movements, leading to side-scratching frustration.
• Cleanliness problems: Cats avoid dirty litter and scratch sides seeking a clean spot to bury waste.
• Litter type dislike: Recent switches to scented, clumping, or coarse litters can prompt rejection behaviors like side-scratching.
• Hooded box issues: Enclosed boxes trap odors and limit visibility, causing cats to ‘bang’ sides in discomfort.

In multi-cat homes, side-scratching may also mark territory externally, signaling ownership to housemates.

Why Do Cats Scratch the Sides of the Litter Box After Pooping?

Post-pooping side-scratching intensifies the burying instinct. Cats dig holes before and after to fully cover strong-smelling feces, preventing predator detection. Sides get involved when they push litter to the tray’s farthest edges for maximum coverage.

This behavior also maintains paw hygiene and reinforces scent via glands. If excessive, check for constipation—cats strain and dig more without producing waste, warranting a vet visit.

Problems That Cause Excessive Litter Box Scratching

Excessive scratching disrupts households with noise and litter scatter. Key problems include:

Health issues like urinary tract infections cause frequent, unproductive trips with intense scratching. Males risk life-threatening blockages—seek immediate care for lethargy or pain.

Covered vs. Uncovered Litter Boxes: Cat Preferences

Covered boxes appeal to owners for odor control and containment but often frustrate cats. High sides block predator views (instinctual even indoors) and trap smells, prompting escape-like scratching.

Cats favor open boxes for visibility and airflow, preferring cleanliness over privacy unlike humans. Transitioning to hooded models may cause ‘banging’ until adjustment—or switch back if persistent. Test preferences: many cats self-select open designs.

How to Stop Your Cat From Scratching the Litter Box Sides

Address root causes systematically:

1. Deepen litter: Provide ample unscented, fine-grained clumping litter.
2. Size up: Measure your cat; opt for extra-large open trays.
3. Enhance cleanliness: Scoop 1-2x daily, wash weekly with mild soap (no ammonia—mimics urine, deters use).
4. Relocate wisely: Quiet, low-traffic area away from food/noise.
5. Experiment litters: Gradually introduce preferred textures; avoid scents.
6. Health screen: Vet exam rules out infections or constipation.
7. Alternatives: Add scratching posts near box for claw maintenance, reducing floor/wall scratches.

Monitor changes; persistence may need behaviorist input. Nail trims every 4-6 weeks prevent overgrowth-driven scratching.

Scratching Outside the Litter Box, Floors, and Walls

External scratching signals extreme dissatisfaction—often a filthy box. Cats seek hard surfaces to ‘clean’ paws or file claws post-use.

• Clean thoroughly sans harsh chemicals.
• Provide sisal/rough posts for claw health.
• Rule out inappropriate elimination (stress/health).

This wears nail husks, promoting growth. Combine with trims for control.

Frequently Asked Questions (FAQs)

Why does my cat scratch the wall near the litter box?

Cats extend digging to walls/floors for full litter coverage, ensuring buried waste. Normal unless excessive, then check setup.

Why does my cat dig in the litter box for so long?

Prolonged digging indicates unhappiness: unclean, wrong litter/depth/size/location. Clean more, adjust as needed.

Is scratching the litter box sides a sign of health problems?

Possibly—frequent straining/small amounts signal UTI/cystitis/constipation. Vet urgently, especially males.

Should I use a covered litter box if my cat scratches sides?

Often no; many dislike enclosures for odor/view issues. Try open boxes.

How often should I clean the litter box?

Scoop daily (2x multi-cat), full wash weekly with pet-safe products.

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Author

medha deb

 

Medha Deb is an editor with a master's degree in Applied Linguistics from the University of Hyderabad. She believes that her qualification has helped her develop a deep understanding of language and its application in various contexts.

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